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Finding the Fourth Proportional to 33,383.46, 50,071.94 and 8,759.46

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Solution

The fourth proportional to 33,383.46, 50,071.94 and 8,759.46 is: 13,138.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    33,383.46 : 50,071.94 = 8,759.46 : x
  2. Step 2: Convert to fraction form
    33,383.46/50,071.94 = 8,759.46/x
  3. Step 3: Cross multiply
    33,383.46x = 50,071.94 × 8,759.46
  4. Step 4: Simplify right side
    33,383.46x = 438,603,155.55
  5. Step 5: Solve for x
    x = 438,603,155.55/33,383.46
  6. Step 6: Final answer
    x = 13,138.34

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.